Added check for NERDTreeType to vimenter for Man/less (tinyvim)
Updated setup_powerline_fonts.sh and vimrc: fonts for OSX
Automated merge with ssh://bitbucket.org/westurner/dotvim
Updated vimrc: func PreviewHeightWorkaround -> func! for re-source/reload
Updated vimrc: guifont config for OSX
Updated nerdtree_plugin/nerdtree_terminal.vim for OSX